1. Aircraft Manuals
ATA– Air transport Association of America

2. Manuals ??????????

3. A.T.A. 100
This is a universally accepted system for numbering aircraft maintenance documentation.
The chapter number assigned to a specific system is the same, regardless of aircraft manufacturer.
For example, ATA Chapter 21 is “Air Conditioning” on Boeings, Lockheeds, Airbus, etc.

4. Revisions must be up to date

5. ATA Chapters
Each “Chapter” represents a major aircraft system. Such as…
21 Air conditioning
22 Auto flight
23 Communications
24 Electrical Power
25 Equipment and Furnishings

6. Subsections 21 31 Cabin Pressure Controller
Cabin Pressure Indicator
Pressure Regulation/Outflow valve
21 34 Cabin Pressure Sensor

7. Components
A third number completes the ATA chapter reference, and is usually used to define a specific component in a subsystem.
For example…
27 00 FLIGHT CONTROL SYSTEM
27 10 ROLL CONTROL
AILERON
The 14 denotes the specific component in the aileron control system…in this case, the aileron itself

9. Cessna and small aircraft

14. Each Section is laid out in order:
*Disassembly
*Cleaning
Inspection
Repair
Reassembly
Troubleshooting

17. Parts Manuals

18. As a part number is an identifier of a part design (independent of its instantiations), a serial number is a unique identifier of a particular instantiation of that part design. In other words, a part number identifies any particular (physical) part as being made to that one unique design; a serial number, when used, identifies a particular (physical) part (one physical instance)